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<p>Log session start time Fri Nov 06 16:01:51 CST 2020</p><p></p>

<table cellspacing="0">
<tr class="header">
<td class="Level">Level</td>
<td class="Date">Date</td>
<td class="Message">Message</td>
<td class="MethodOfCaller">MethodOfCaller</td>
<td class="FileOfCaller">FileOfCaller</td>
<td class="LineOfCaller">LineOfCaller</td>
</tr>


<tr class="error even">
<td class="Level">ERROR</td>
<td class="Date">2020-11-06 16:09:20,615</td>
<td class="Message">{conn-10004, pstmt-20008} execute error. SELECT TRIGGER_NAME, TRIGGER_GROUP, NEXT_FIRE_TIME, PRIORITY FROM QRTZ_TRIGGERS WHERE SCHED_NAME = &#39;MyScheduler&#39; AND TRIGGER_STATE = ? AND NEXT_FIRE_TIME &lt;= ? AND (MISFIRE_INSTR = -1 OR (MISFIRE_INSTR != -1 AND NEXT_FIRE_TIME &gt;= ?)) ORDER BY NEXT_FIRE_TIME ASC, PRIORITY DESC</td>
<td class="MethodOfCaller">statementLogError</td>
<td class="FileOfCaller">Slf4jLogFilter.java</td>
<td class="LineOfCaller">149</td>
</tr>
<tr><td class="Exception" colspan="6">com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 1,711 milliseconds ago.  The last packet sent successfully to the server was 1,711 milliseconds ago.
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3562)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3462)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3905)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2530)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2491)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.setSessionMaxRows(ConnectionImpl.java:5405)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2009)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3188)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_executeQuery(FilterEventAdapter.java:465)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.wall.WallFilter.preparedStatement_executeQuery(WallFilter.java:648)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_executeQuery(FilterEventAdapter.java:465)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.executeQuery(PreparedStatementProxyImpl.java:181)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidPooledPreparedStatement.executeQuery(DruidPooledPreparedStatement.java:227)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.StdJDBCDelegate.selectTriggerToAcquire(StdJDBCDelegate.java:2613)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.acquireNextTrigger(JobStoreSupport.java:2844)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$41.execute(JobStoreSupport.java:2805)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$41.execute(JobStoreSupport.java:2803)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.executeInNonManagedTXLock(JobStoreSupport.java:3849)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.acquireNextTriggers(JobStoreSupport.java:2802)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.core.QuartzSchedulerThread.run(QuartzSchedulerThread.java:287)
<br />Caused by: java.net.SocketException: Software caused connection abort: recv failed
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.socketRead0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.read(SocketInputStream.java:170)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.read(SocketInputStream.java:141)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:101)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:144)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:174)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3011)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3472)
<br />&nbsp;&nbsp;&nbsp;&nbsp;	... 23 common frames omitted
</td></tr>
<tr class="error odd">
<td class="Level">ERROR</td>
<td class="Date">2020-11-06 16:09:20,800</td>
<td class="Message">CommunicationsException, druid version 1.1.17, jdbcUrl : jdbc:mysql://118.190.140.198:3306/security?characterEncoding=UTF-8&amp;useUnicode=true&amp;useSSL=false&amp;tinyInt1isBit=false&amp;rewriteBatchedStatements=true, testWhileIdle true, idle millis 5321, minIdle 5, poolingCount 4, timeBetweenEvictionRunsMillis 60000, lastValidIdleMillis 5321, driver com.mysql.jdbc.Driver, exceptionSorter com.alibaba.druid.pool.vendor.MySqlExceptionSorter</td>
<td class="MethodOfCaller">errorCheck</td>
<td class="FileOfCaller">DruidPooledStatement.java</td>
<td class="LineOfCaller">367</td>
</tr>

<tr class="error even">
<td class="Level">ERROR</td>
<td class="Date">2020-11-06 16:09:20,947</td>
<td class="Message">create connection SQLException, url: jdbc:mysql://118.190.140.198:3306/security?characterEncoding=UTF-8&amp;useUnicode=true&amp;useSSL=false&amp;tinyInt1isBit=false&amp;rewriteBatchedStatements=true, errorCode 0, state 08S01</td>
<td class="MethodOfCaller">run</td>
<td class="FileOfCaller">DruidDataSource.java</td>
<td class="LineOfCaller">2699</td>
</tr>
<tr><td class="Exception" colspan="6">com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.&lt;init&gt;(MysqlIO.java:342)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2197)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2230)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2025)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.&lt;init&gt;(ConnectionImpl.java:778)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.JDBC4Connection.&lt;init&gt;(JDBC4Connection.java:47)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:386)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:330)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:156)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterEventAdapter.connection_connect(FilterEventAdapter.java:38)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterAdapter.connection_connect(FilterAdapter.java:787)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.stat.StatFilter.connection_connect(StatFilter.java:218)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_connect(FilterChainImpl.java:150)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1598)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidAbstractDataSource.createPhysicalConnection(DruidAbstractDataSource.java:1662)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidDataSource$CreateConnectionThread.run(DruidDataSource.java:2697)
<br />Caused by: java.net.SocketException: Network is unreachable: connect
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.DualStackPlainSocketImpl.connect0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.DualStackPlainSocketImpl.socketConnect(DualStackPlainSocketImpl.java:79)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.AbstractPlainSocketImpl.doConnect(AbstractPlainSocketImpl.java:350)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.AbstractPlainSocketImpl.connectToAddress(AbstractPlainSocketImpl.java:206)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:188)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.PlainSocketImpl.connect(PlainSocketImpl.java:172)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.Socket.connect(Socket.java:589)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.StandardSocketFactory.connect(StandardSocketFactory.java:211)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.&lt;init&gt;(MysqlIO.java:301)
<br />&nbsp;&nbsp;&nbsp;&nbsp;	... 23 common frames omitted
</td></tr>
<tr class="error odd">
<td class="Level">ERROR</td>
<td class="Date">2020-11-06 16:09:20,954</td>
<td class="Message">discard connection</td>
<td class="MethodOfCaller">handleFatalError</td>
<td class="FileOfCaller">DruidDataSource.java</td>
<td class="LineOfCaller">1777</td>
</tr>
<tr><td class="Exception" colspan="6">com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 1,711 milliseconds ago.  The last packet sent successfully to the server was 1,711 milliseconds ago.
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3562)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3462)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3905)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2530)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2491)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.setSessionMaxRows(ConnectionImpl.java:5405)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2009)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3188)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_executeQuery(FilterEventAdapter.java:465)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.wall.WallFilter.preparedStatement_executeQuery(WallFilter.java:648)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_executeQuery(FilterEventAdapter.java:465)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.executeQuery(PreparedStatementProxyImpl.java:181)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidPooledPreparedStatement.executeQuery(DruidPooledPreparedStatement.java:227)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.StdJDBCDelegate.selectTriggerToAcquire(StdJDBCDelegate.java:2613)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.acquireNextTrigger(JobStoreSupport.java:2844)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$41.execute(JobStoreSupport.java:2805)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$41.execute(JobStoreSupport.java:2803)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.executeInNonManagedTXLock(JobStoreSupport.java:3849)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.acquireNextTriggers(JobStoreSupport.java:2802)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.core.QuartzSchedulerThread.run(QuartzSchedulerThread.java:287)
<br />Caused by: java.net.SocketException: Software caused connection abort: recv failed
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.socketRead0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.read(SocketInputStream.java:170)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.read(SocketInputStream.java:141)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:101)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:144)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:174)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3011)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3472)
<br />&nbsp;&nbsp;&nbsp;&nbsp;	... 23 common frames omitted
</td></tr>
<tr class="error even">
<td class="Level">ERROR</td>
<td class="Date">2020-11-06 16:09:21,341</td>
<td class="Message">An error occurred while scanning for the next triggers to fire.</td>
<td class="MethodOfCaller">schedulerError</td>
<td class="FileOfCaller">QuartzScheduler.java</td>
<td class="LineOfCaller">2401</td>
</tr>
<tr><td class="Exception" colspan="6">org.quartz.JobPersistenceException: Couldn&#39;t acquire next trigger: Communications link failure

The last packet successfully received from the server was 1,711 milliseconds ago.  The last packet sent successfully to the server was 1,711 milliseconds ago.
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.acquireNextTrigger(JobStoreSupport.java:2910)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$41.execute(JobStoreSupport.java:2805)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$41.execute(JobStoreSupport.java:2803)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.executeInNonManagedTXLock(JobStoreSupport.java:3849)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.acquireNextTriggers(JobStoreSupport.java:2802)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.core.QuartzSchedulerThread.run(QuartzSchedulerThread.java:287)
<br />Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 1,711 milliseconds ago.  The last packet sent successfully to the server was 1,711 milliseconds ago.
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3562)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3462)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3905)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2530)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2491)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.setSessionMaxRows(ConnectionImpl.java:5405)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.PreparedStatement.executeQuery(PreparedStatement.java:2009)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3188)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_executeQuery(FilterEventAdapter.java:465)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.wall.WallFilter.preparedStatement_executeQuery(WallFilter.java:648)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterEventAdapter.preparedStatement_executeQuery(FilterEventAdapter.java:465)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.preparedStatement_executeQuery(FilterChainImpl.java:3185)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.proxy.jdbc.PreparedStatementProxyImpl.executeQuery(PreparedStatementProxyImpl.java:181)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidPooledPreparedStatement.executeQuery(DruidPooledPreparedStatement.java:227)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.StdJDBCDelegate.selectTriggerToAcquire(StdJDBCDelegate.java:2613)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.acquireNextTrigger(JobStoreSupport.java:2844)
<br />&nbsp;&nbsp;&nbsp;&nbsp;	... 5 common frames omitted
<br />Caused by: java.net.SocketException: Software caused connection abort: recv failed
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.socketRead0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.socketRead(SocketInputStream.java:116)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.read(SocketInputStream.java:170)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketInputStream.read(SocketInputStream.java:141)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.util.ReadAheadInputStream.fill(ReadAheadInputStream.java:101)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.util.ReadAheadInputStream.readFromUnderlyingStreamIfNecessary(ReadAheadInputStream.java:144)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.util.ReadAheadInputStream.read(ReadAheadInputStream.java:174)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.readFully(MysqlIO.java:3011)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.reuseAndReadPacket(MysqlIO.java:3472)
<br />&nbsp;&nbsp;&nbsp;&nbsp;	... 23 common frames omitted
</td></tr>
<tr class="error odd">
<td class="Level">ERROR</td>
<td class="Date">2020-11-06 16:12:57,054</td>
<td class="Message">discard connection</td>
<td class="MethodOfCaller">handleFatalError</td>
<td class="FileOfCaller">DruidDataSource.java</td>
<td class="LineOfCaller">1777</td>
</tr>
<tr><td class="Exception" colspan="6">com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 9,841 milliseconds ago.  The last packet sent successfully to the server was 9,877 milliseconds ago.
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3751)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2512)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2491)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4807)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:738)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.logging.LogFilter.connection_setAutoCommit(LogFilter.java:445)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:733)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterAdapter.connection_setAutoCommit(FilterAdapter.java:986)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:733)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterAdapter.connection_setAutoCommit(FilterAdapter.java:986)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:733)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl.setAutoCommit(ConnectionProxyImpl.java:429)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:712)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.AttributeRestoringConnectionInvocationHandler.setAutoCommit(AttributeRestoringConnectionInvocationHandler.java:98)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.AttributeRestoringConnectionInvocationHandler.invoke(AttributeRestoringConnectionInvocationHandler.java:66)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.sun.proxy.$Proxy380.setAutoCommit(Unknown Source)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreCMT.getNonManagedTXConnection(JobStoreCMT.java:191)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.doCheckin(JobStoreSupport.java:3307)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.manage(JobStoreSupport.java:3920)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.run(JobStoreSupport.java:3957)
<br />Caused by: java.net.SocketException: Connection reset by peer: socket write error
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketOutputStream.socketWrite0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketOutputStream.write(SocketOutputStream.java:153)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3733)
<br />&nbsp;&nbsp;&nbsp;&nbsp;	... 20 common frames omitted
</td></tr>
<tr class="error even">
<td class="Level">ERROR</td>
<td class="Date">2020-11-06 16:12:57,157</td>
<td class="Message">ClusterManager: Error managing cluster: Failure identifying failed instances when checking-in: connection disabled</td>
<td class="MethodOfCaller">manage</td>
<td class="FileOfCaller">JobStoreSupport.java</td>
<td class="LineOfCaller">3926</td>
</tr>
<tr><td class="Exception" colspan="6">org.quartz.JobPersistenceException: Failure identifying failed instances when checking-in: connection disabled
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.findFailedInstances(JobStoreSupport.java:3405)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.clusterCheckIn(JobStoreSupport.java:3455)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.doCheckin(JobStoreSupport.java:3315)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.manage(JobStoreSupport.java:3920)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport$ClusterManager.run(JobStoreSupport.java:3957)
<br />Caused by: java.sql.SQLException: connection disabled
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidPooledConnection.checkStateInternal(DruidPooledConnection.java:1163)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidPooledConnection.checkState(DruidPooledConnection.java:1148)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidPooledConnection.prepareStatement(DruidPooledConnection.java:336)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.GeneratedMethodAccessor168.invoke(Unknown Source)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.lang.reflect.Method.invoke(Method.java:498)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.AttributeRestoringConnectionInvocationHandler.invoke(AttributeRestoringConnectionInvocationHandler.java:73)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.sun.proxy.$Proxy380.prepareStatement(Unknown Source)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.StdJDBCDelegate.selectSchedulerStateRecords(StdJDBCDelegate.java:2992)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.findFailedInstances(JobStoreSupport.java:3369)
<br />&nbsp;&nbsp;&nbsp;&nbsp;	... 4 common frames omitted
<br />Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

The last packet successfully received from the server was 9,841 milliseconds ago.  The last packet sent successfully to the server was 9,877 milliseconds ago.
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.Util.handleNewInstance(Util.java:425)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.SQLError.createCommunicationsException(SQLError.java:990)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3751)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sendCommand(MysqlIO.java:2512)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.sqlQueryDirect(MysqlIO.java:2683)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.execSQL(ConnectionImpl.java:2491)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.ConnectionImpl.setAutoCommit(ConnectionImpl.java:4807)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:738)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.logging.LogFilter.connection_setAutoCommit(LogFilter.java:445)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:733)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterAdapter.connection_setAutoCommit(FilterAdapter.java:986)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:733)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterAdapter.connection_setAutoCommit(FilterAdapter.java:986)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.filter.FilterChainImpl.connection_setAutoCommit(FilterChainImpl.java:733)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.proxy.jdbc.ConnectionProxyImpl.setAutoCommit(ConnectionProxyImpl.java:429)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.alibaba.druid.pool.DruidPooledConnection.setAutoCommit(DruidPooledConnection.java:712)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.AttributeRestoringConnectionInvocationHandler.setAutoCommit(AttributeRestoringConnectionInvocationHandler.java:98)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.AttributeRestoringConnectionInvocationHandler.invoke(AttributeRestoringConnectionInvocationHandler.java:66)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.sun.proxy.$Proxy380.setAutoCommit(Unknown Source)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreCMT.getNonManagedTXConnection(JobStoreCMT.java:191)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at org.quartz.impl.jdbcjobstore.JobStoreSupport.doCheckin(JobStoreSupport.java:3307)
<br />&nbsp;&nbsp;&nbsp;&nbsp;	... 2 common frames omitted
<br />Caused by: java.net.SocketException: Connection reset by peer: socket write error
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketOutputStream.socketWrite0(Native Method)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketOutputStream.socketWrite(SocketOutputStream.java:109)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.net.SocketOutputStream.write(SocketOutputStream.java:153)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.io.BufferedOutputStream.flushBuffer(BufferedOutputStream.java:82)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at java.io.BufferedOutputStream.flush(BufferedOutputStream.java:140)
<br />&nbsp;&nbsp;&nbsp;&nbsp;at com.mysql.jdbc.MysqlIO.send(MysqlIO.java:3733)
<br />&nbsp;&nbsp;&nbsp;&nbsp;	... 20 common frames omitted
</td></tr>